Tested the ammonia percentage of swimming suit fabric,its elastic recovery and buoyancy in water, and analyzed the relationship between ammonia percentage and the elastic recovery and buoyancy.

• 测试了针织泳衣面料的氨纶含量、拉伸弹性回复率及水中浮力,分析了氨纶含量与泳衣面料的弹性回复率及水中浮力之间的关系。